* {
    margin: 0;
    padding: 0;
    text-decoration: none;
}

.wrapper {
    width: 400px;
    height: 600px;
    margin: 150px auto;
    border: 1px solid black;
    position: relative;
    overflow: hidden;
}

.wrapper #go {
    width: 100%;
    top: 0;
    position: absolute;
    text-align: center;
    z-index: 99;
}

.wrapper #go a {
    font-size: 60px;
    color: cyan;
}

.wrapper #main {
    width: 100%;
    height: 100%;
    /* border: 1px solid red; */
    position: relative;
    top: -150px;
}

.row {
    width: 100%;
    height: 150px;
}

.row div {
    float: left;
    width: 99px;
    border-left: 1px solid black;
    height: 149px;
    border-bottom: 1px solid black;
}

.check {
    cursor: pointer;
}

#again {
    /* display: block; */
    cursor: pointer;
    position: relative;
    font-size: 30px;
    text-align: center;
    line-height: 50px;
    width: 200px;
    height: 50px;
    margin: 0 auto;
    bottom: 140px;
    background-color: rgb(9, 205, 240);
}